Home / 5,083.02-7,018.65-4,085.10

Finding the Fourth Proportional to 5,083.02, 7,018.65 and 4,085.10

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Solution

The fourth proportional to 5,083.02, 7,018.65 and 4,085.10 is: 5,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.02 : 7,018.65 = 4,085.10 : x
  2. Step 2: Convert to fraction form
    5,083.02/7,018.65 = 4,085.10/x
  3. Step 3: Cross multiply
    5,083.02x = 7,018.65 × 4,085.10
  4. Step 4: Simplify right side
    5,083.02x = 28,671,887.12
  5. Step 5: Solve for x
    x = 28,671,887.12/5,083.02
  6. Step 6: Final answer
    x = 5,640.72

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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.