Home / 7,515.79-10,371.71-4,492.29

Finding the Fourth Proportional to 7,515.79, 10,371.71 and 4,492.29

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Solution

The fourth proportional to 7,515.79, 10,371.71 and 4,492.29 is: 6,199.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.79 : 10,371.71 = 4,492.29 : x
  2. Step 2: Convert to fraction form
    7,515.79/10,371.71 = 4,492.29/x
  3. Step 3: Cross multiply
    7,515.79x = 10,371.71 × 4,492.29
  4. Step 4: Simplify right side
    7,515.79x = 46,592,779.24
  5. Step 5: Solve for x
    x = 46,592,779.24/7,515.79
  6. Step 6: Final answer
    x = 6,199.32

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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.