Home / 3,332.59-4,598.47-1,987.79

Finding the Fourth Proportional to 3,332.59, 4,598.47 and 1,987.79

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Solution

The fourth proportional to 3,332.59, 4,598.47 and 1,987.79 is: 2,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,332.59 : 4,598.47 = 1,987.79 : x
  2. Step 2: Convert to fraction form
    3,332.59/4,598.47 = 1,987.79/x
  3. Step 3: Cross multiply
    3,332.59x = 4,598.47 × 1,987.79
  4. Step 4: Simplify right side
    3,332.59x = 9,140,798.04
  5. Step 5: Solve for x
    x = 9,140,798.04/3,332.59
  6. Step 6: Final answer
    x = 2,742.85

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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.