Home / 4,678.47-6,457.32-4,205.52

Finding the Fourth Proportional to 4,678.47, 6,457.32 and 4,205.52

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Solution

The fourth proportional to 4,678.47, 6,457.32 and 4,205.52 is: 5,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.47 : 6,457.32 = 4,205.52 : x
  2. Step 2: Convert to fraction form
    4,678.47/6,457.32 = 4,205.52/x
  3. Step 3: Cross multiply
    4,678.47x = 6,457.32 × 4,205.52
  4. Step 4: Simplify right side
    4,678.47x = 27,156,388.41
  5. Step 5: Solve for x
    x = 27,156,388.41/4,678.47
  6. Step 6: Final answer
    x = 5,804.54

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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.