Home / 5,429.03-7,492.35-3,038.85

Finding the Fourth Proportional to 5,429.03, 7,492.35 and 3,038.85

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Solution

The fourth proportional to 5,429.03, 7,492.35 and 3,038.85 is: 4,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.03 : 7,492.35 = 3,038.85 : x
  2. Step 2: Convert to fraction form
    5,429.03/7,492.35 = 3,038.85/x
  3. Step 3: Cross multiply
    5,429.03x = 7,492.35 × 3,038.85
  4. Step 4: Simplify right side
    5,429.03x = 22,768,127.80
  5. Step 5: Solve for x
    x = 22,768,127.80/5,429.03
  6. Step 6: Final answer
    x = 4,193.78

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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.