Home / 1,587.60-2,190.92-924.66

Finding the Fourth Proportional to 1,587.60, 2,190.92 and 924.66

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Solution

The fourth proportional to 1,587.60, 2,190.92 and 924.66 is: 1,276.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.60 : 2,190.92 = 924.66 : x
  2. Step 2: Convert to fraction form
    1,587.60/2,190.92 = 924.66/x
  3. Step 3: Cross multiply
    1,587.60x = 2,190.92 × 924.66
  4. Step 4: Simplify right side
    1,587.60x = 2,025,851.46
  5. Step 5: Solve for x
    x = 2,025,851.46/1,587.60
  6. Step 6: Final answer
    x = 1,276.05

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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.