Home / 3,090.19-4,263.39-1,762.93

Finding the Fourth Proportional to 3,090.19, 4,263.39 and 1,762.93

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Solution

The fourth proportional to 3,090.19, 4,263.39 and 1,762.93 is: 2,432.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.19 : 4,263.39 = 1,762.93 : x
  2. Step 2: Convert to fraction form
    3,090.19/4,263.39 = 1,762.93/x
  3. Step 3: Cross multiply
    3,090.19x = 4,263.39 × 1,762.93
  4. Step 4: Simplify right side
    3,090.19x = 7,516,058.13
  5. Step 5: Solve for x
    x = 7,516,058.13/3,090.19
  6. Step 6: Final answer
    x = 2,432.23

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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.