Home / 2,875.46-3,967.76-1,696.10

Finding the Fourth Proportional to 2,875.46, 3,967.76 and 1,696.10

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Solution

The fourth proportional to 2,875.46, 3,967.76 and 1,696.10 is: 2,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.46 : 3,967.76 = 1,696.10 : x
  2. Step 2: Convert to fraction form
    2,875.46/3,967.76 = 1,696.10/x
  3. Step 3: Cross multiply
    2,875.46x = 3,967.76 × 1,696.10
  4. Step 4: Simplify right side
    2,875.46x = 6,729,717.74
  5. Step 5: Solve for x
    x = 6,729,717.74/2,875.46
  6. Step 6: Final answer
    x = 2,340.40

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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.