Home / 5,405.02-7,458.96-3,416.47

Finding the Fourth Proportional to 5,405.02, 7,458.96 and 3,416.47

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Solution

The fourth proportional to 5,405.02, 7,458.96 and 3,416.47 is: 4,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.02 : 7,458.96 = 3,416.47 : x
  2. Step 2: Convert to fraction form
    5,405.02/7,458.96 = 3,416.47/x
  3. Step 3: Cross multiply
    5,405.02x = 7,458.96 × 3,416.47
  4. Step 4: Simplify right side
    5,405.02x = 25,483,313.07
  5. Step 5: Solve for x
    x = 25,483,313.07/5,405.02
  6. Step 6: Final answer
    x = 4,714.75

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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.