Home / 1,566.08-2,160.20-1,007.27

Finding the Fourth Proportional to 1,566.08, 2,160.20 and 1,007.27

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Solution

The fourth proportional to 1,566.08, 2,160.20 and 1,007.27 is: 1,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566.08 : 2,160.20 = 1,007.27 : x
  2. Step 2: Convert to fraction form
    1,566.08/2,160.20 = 1,007.27/x
  3. Step 3: Cross multiply
    1,566.08x = 2,160.20 × 1,007.27
  4. Step 4: Simplify right side
    1,566.08x = 2,175,904.65
  5. Step 5: Solve for x
    x = 2,175,904.65/1,566.08
  6. Step 6: Final answer
    x = 1,389.40

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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.