Home / 3,610.01-4,985.28-2,815.53

Finding the Fourth Proportional to 3,610.01, 4,985.28 and 2,815.53

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Solution

The fourth proportional to 3,610.01, 4,985.28 and 2,815.53 is: 3,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.01 : 4,985.28 = 2,815.53 : x
  2. Step 2: Convert to fraction form
    3,610.01/4,985.28 = 2,815.53/x
  3. Step 3: Cross multiply
    3,610.01x = 4,985.28 × 2,815.53
  4. Step 4: Simplify right side
    3,610.01x = 14,036,205.40
  5. Step 5: Solve for x
    x = 14,036,205.40/3,610.01
  6. Step 6: Final answer
    x = 3,888.14

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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.