Home / 2,557.17-3,526.77-1,803.41

Finding the Fourth Proportional to 2,557.17, 3,526.77 and 1,803.41

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Solution

The fourth proportional to 2,557.17, 3,526.77 and 1,803.41 is: 2,487.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.17 : 3,526.77 = 1,803.41 : x
  2. Step 2: Convert to fraction form
    2,557.17/3,526.77 = 1,803.41/x
  3. Step 3: Cross multiply
    2,557.17x = 3,526.77 × 1,803.41
  4. Step 4: Simplify right side
    2,557.17x = 6,360,234.48
  5. Step 5: Solve for x
    x = 6,360,234.48/2,557.17
  6. Step 6: Final answer
    x = 2,487.22

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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.