Home / 2,957.93-4,069.36-2,875.91

Finding the Fourth Proportional to 2,957.93, 4,069.36 and 2,875.91

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Solution

The fourth proportional to 2,957.93, 4,069.36 and 2,875.91 is: 3,956.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.93 : 4,069.36 = 2,875.91 : x
  2. Step 2: Convert to fraction form
    2,957.93/4,069.36 = 2,875.91/x
  3. Step 3: Cross multiply
    2,957.93x = 4,069.36 × 2,875.91
  4. Step 4: Simplify right side
    2,957.93x = 11,703,116.10
  5. Step 5: Solve for x
    x = 11,703,116.10/2,957.93
  6. Step 6: Final answer
    x = 3,956.53

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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.