Home / 1,483.14-2,045.25-1,151.45

Finding the Fourth Proportional to 1,483.14, 2,045.25 and 1,151.45

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Solution

The fourth proportional to 1,483.14, 2,045.25 and 1,151.45 is: 1,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,483.14 : 2,045.25 = 1,151.45 : x
  2. Step 2: Convert to fraction form
    1,483.14/2,045.25 = 1,151.45/x
  3. Step 3: Cross multiply
    1,483.14x = 2,045.25 × 1,151.45
  4. Step 4: Simplify right side
    1,483.14x = 2,354,992.89
  5. Step 5: Solve for x
    x = 2,354,992.89/1,483.14
  6. Step 6: Final answer
    x = 1,587.84

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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.