Home / 5,557.02-8,335.56-1,661.46

Finding the Fourth Proportional to 5,557.02, 8,335.56 and 1,661.46

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Solution

The fourth proportional to 5,557.02, 8,335.56 and 1,661.46 is: 2,492.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.02 : 8,335.56 = 1,661.46 : x
  2. Step 2: Convert to fraction form
    5,557.02/8,335.56 = 1,661.46/x
  3. Step 3: Cross multiply
    5,557.02x = 8,335.56 × 1,661.46
  4. Step 4: Simplify right side
    5,557.02x = 13,849,199.52
  5. Step 5: Solve for x
    x = 13,849,199.52/5,557.02
  6. Step 6: Final answer
    x = 2,492.20

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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.