Home / 1,557.77-2,335.44-1,002.53

Finding the Fourth Proportional to 1,557.77, 2,335.44 and 1,002.53

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Solution

The fourth proportional to 1,557.77, 2,335.44 and 1,002.53 is: 1,503.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557.77 : 2,335.44 = 1,002.53 : x
  2. Step 2: Convert to fraction form
    1,557.77/2,335.44 = 1,002.53/x
  3. Step 3: Cross multiply
    1,557.77x = 2,335.44 × 1,002.53
  4. Step 4: Simplify right side
    1,557.77x = 2,341,348.66
  5. Step 5: Solve for x
    x = 2,341,348.66/1,557.77
  6. Step 6: Final answer
    x = 1,503.01

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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.