Home / 5,085.02-7,628.29-1,575.35

Finding the Fourth Proportional to 5,085.02, 7,628.29 and 1,575.35

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Solution

The fourth proportional to 5,085.02, 7,628.29 and 1,575.35 is: 2,363.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.02 : 7,628.29 = 1,575.35 : x
  2. Step 2: Convert to fraction form
    5,085.02/7,628.29 = 1,575.35/x
  3. Step 3: Cross multiply
    5,085.02x = 7,628.29 × 1,575.35
  4. Step 4: Simplify right side
    5,085.02x = 12,017,192.45
  5. Step 5: Solve for x
    x = 12,017,192.45/5,085.02
  6. Step 6: Final answer
    x = 2,363.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.