Home / 1,788.48-2,466.15-1,124.18

Finding the Fourth Proportional to 1,788.48, 2,466.15 and 1,124.18

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Solution

The fourth proportional to 1,788.48, 2,466.15 and 1,124.18 is: 1,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.48 : 2,466.15 = 1,124.18 : x
  2. Step 2: Convert to fraction form
    1,788.48/2,466.15 = 1,124.18/x
  3. Step 3: Cross multiply
    1,788.48x = 2,466.15 × 1,124.18
  4. Step 4: Simplify right side
    1,788.48x = 2,772,389.21
  5. Step 5: Solve for x
    x = 2,772,389.21/1,788.48
  6. Step 6: Final answer
    x = 1,550.14

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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.