Home / 4,948.18-7,423.29-1,661.18

Finding the Fourth Proportional to 4,948.18, 7,423.29 and 1,661.18

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Solution

The fourth proportional to 4,948.18, 7,423.29 and 1,661.18 is: 2,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.18 : 7,423.29 = 1,661.18 : x
  2. Step 2: Convert to fraction form
    4,948.18/7,423.29 = 1,661.18/x
  3. Step 3: Cross multiply
    4,948.18x = 7,423.29 × 1,661.18
  4. Step 4: Simplify right side
    4,948.18x = 12,331,420.88
  5. Step 5: Solve for x
    x = 12,331,420.88/4,948.18
  6. Step 6: Final answer
    x = 2,492.11

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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.