Home / 1,863.13-2,570.46-1,117.33

Finding the Fourth Proportional to 1,863.13, 2,570.46 and 1,117.33

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Solution

The fourth proportional to 1,863.13, 2,570.46 and 1,117.33 is: 1,541.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,863.13 : 2,570.46 = 1,117.33 : x
  2. Step 2: Convert to fraction form
    1,863.13/2,570.46 = 1,117.33/x
  3. Step 3: Cross multiply
    1,863.13x = 2,570.46 × 1,117.33
  4. Step 4: Simplify right side
    1,863.13x = 2,872,036.43
  5. Step 5: Solve for x
    x = 2,872,036.43/1,863.13
  6. Step 6: Final answer
    x = 1,541.52

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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.