Home / 3,555.06-5,332.16-958.20

Finding the Fourth Proportional to 3,555.06, 5,332.16 and 958.20

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Solution

The fourth proportional to 3,555.06, 5,332.16 and 958.20 is: 1,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,555.06 : 5,332.16 = 958.20 : x
  2. Step 2: Convert to fraction form
    3,555.06/5,332.16 = 958.20/x
  3. Step 3: Cross multiply
    3,555.06x = 5,332.16 × 958.20
  4. Step 4: Simplify right side
    3,555.06x = 5,109,275.71
  5. Step 5: Solve for x
    x = 5,109,275.71/3,555.06
  6. Step 6: Final answer
    x = 1,437.18

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1.5x scale

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.