Home / 7,305.90-10,085.44-4,656.86

Finding the Fourth Proportional to 7,305.90, 10,085.44 and 4,656.86

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Solution

The fourth proportional to 7,305.90, 10,085.44 and 4,656.86 is: 6,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.90 : 10,085.44 = 4,656.86 : x
  2. Step 2: Convert to fraction form
    7,305.90/10,085.44 = 4,656.86/x
  3. Step 3: Cross multiply
    7,305.90x = 10,085.44 × 4,656.86
  4. Step 4: Simplify right side
    7,305.90x = 46,966,482.12
  5. Step 5: Solve for x
    x = 46,966,482.12/7,305.90
  6. Step 6: Final answer
    x = 6,428.57

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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.