Home / 2,957.18-4,068.33-2,875.16

Finding the Fourth Proportional to 2,957.18, 4,068.33 and 2,875.16

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Solution

The fourth proportional to 2,957.18, 4,068.33 and 2,875.16 is: 3,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.18 : 4,068.33 = 2,875.16 : x
  2. Step 2: Convert to fraction form
    2,957.18/4,068.33 = 2,875.16/x
  3. Step 3: Cross multiply
    2,957.18x = 4,068.33 × 2,875.16
  4. Step 4: Simplify right side
    2,957.18x = 11,697,099.07
  5. Step 5: Solve for x
    x = 11,697,099.07/2,957.18
  6. Step 6: Final answer
    x = 3,955.50

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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.