Home / 4,957.03-6,840.70-2,861.16

Finding the Fourth Proportional to 4,957.03, 6,840.70 and 2,861.16

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Solution

The fourth proportional to 4,957.03, 6,840.70 and 2,861.16 is: 3,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.03 : 6,840.70 = 2,861.16 : x
  2. Step 2: Convert to fraction form
    4,957.03/6,840.70 = 2,861.16/x
  3. Step 3: Cross multiply
    4,957.03x = 6,840.70 × 2,861.16
  4. Step 4: Simplify right side
    4,957.03x = 19,572,320.50
  5. Step 5: Solve for x
    x = 19,572,320.50/4,957.03
  6. Step 6: Final answer
    x = 3,948.40

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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.