Home / 1,598.41-2,205.65-935.13

Finding the Fourth Proportional to 1,598.41, 2,205.65 and 935.13

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Solution

The fourth proportional to 1,598.41, 2,205.65 and 935.13 is: 1,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.41 : 2,205.65 = 935.13 : x
  2. Step 2: Convert to fraction form
    1,598.41/2,205.65 = 935.13/x
  3. Step 3: Cross multiply
    1,598.41x = 2,205.65 × 935.13
  4. Step 4: Simplify right side
    1,598.41x = 2,062,569.48
  5. Step 5: Solve for x
    x = 2,062,569.48/1,598.41
  6. Step 6: Final answer
    x = 1,290.39

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,599.41, 2,207.03 and 936.13
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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.