Home / 5,245.40-7,239.35-4,802.51

Finding the Fourth Proportional to 5,245.40, 7,239.35 and 4,802.51

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Solution

The fourth proportional to 5,245.40, 7,239.35 and 4,802.51 is: 6,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245.40 : 7,239.35 = 4,802.51 : x
  2. Step 2: Convert to fraction form
    5,245.40/7,239.35 = 4,802.51/x
  3. Step 3: Cross multiply
    5,245.40x = 7,239.35 × 4,802.51
  4. Step 4: Simplify right side
    5,245.40x = 34,767,026.58
  5. Step 5: Solve for x
    x = 34,767,026.58/5,245.40
  6. Step 6: Final answer
    x = 6,628.10

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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.