Home / 1,031.11-1,547.27-373.18

Finding the Fourth Proportional to 1,031.11, 1,547.27 and 373.18

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Solution

The fourth proportional to 1,031.11, 1,547.27 and 373.18 is: 559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031.11 : 1,547.27 = 373.18 : x
  2. Step 2: Convert to fraction form
    1,031.11/1,547.27 = 373.18/x
  3. Step 3: Cross multiply
    1,031.11x = 1,547.27 × 373.18
  4. Step 4: Simplify right side
    1,031.11x = 577,410.22
  5. Step 5: Solve for x
    x = 577,410.22/1,031.11
  6. Step 6: Final answer
    x = 559.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.