Home / 2,014.52-2,782.14-1,386.66

Finding the Fourth Proportional to 2,014.52, 2,782.14 and 1,386.66

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Solution

The fourth proportional to 2,014.52, 2,782.14 and 1,386.66 is: 1,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.52 : 2,782.14 = 1,386.66 : x
  2. Step 2: Convert to fraction form
    2,014.52/2,782.14 = 1,386.66/x
  3. Step 3: Cross multiply
    2,014.52x = 2,782.14 × 1,386.66
  4. Step 4: Simplify right side
    2,014.52x = 3,857,875.32
  5. Step 5: Solve for x
    x = 3,857,875.32/2,014.52
  6. Step 6: Final answer
    x = 1,915.04

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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.