Home / 3,395.19-4,685.49-1,903.13

Finding the Fourth Proportional to 3,395.19, 4,685.49 and 1,903.13

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Solution

The fourth proportional to 3,395.19, 4,685.49 and 1,903.13 is: 2,626.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395.19 : 4,685.49 = 1,903.13 : x
  2. Step 2: Convert to fraction form
    3,395.19/4,685.49 = 1,903.13/x
  3. Step 3: Cross multiply
    3,395.19x = 4,685.49 × 1,903.13
  4. Step 4: Simplify right side
    3,395.19x = 8,917,090.73
  5. Step 5: Solve for x
    x = 8,917,090.73/3,395.19
  6. Step 6: Final answer
    x = 2,626.39

Related Problems

Find fourth proportional to 1,697.60, 2,342.75 and 951.56
Half scale
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Double scale
Find fourth proportional to 3,396.19, 4,686.87 and 1,904.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.