Home / 5,758.02-7,938.18-4,915.08

Finding the Fourth Proportional to 5,758.02, 7,938.18 and 4,915.08

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Solution

The fourth proportional to 5,758.02, 7,938.18 and 4,915.08 is: 6,776.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,758.02 : 7,938.18 = 4,915.08 : x
  2. Step 2: Convert to fraction form
    5,758.02/7,938.18 = 4,915.08/x
  3. Step 3: Cross multiply
    5,758.02x = 7,938.18 × 4,915.08
  4. Step 4: Simplify right side
    5,758.02x = 39,016,789.75
  5. Step 5: Solve for x
    x = 39,016,789.75/5,758.02
  6. Step 6: Final answer
    x = 6,776.08

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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.