Home / 7,307.07-10,083.69-4,479.36

Finding the Fourth Proportional to 7,307.07, 10,083.69 and 4,479.36

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Solution

The fourth proportional to 7,307.07, 10,083.69 and 4,479.36 is: 6,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.07 : 10,083.69 = 4,479.36 : x
  2. Step 2: Convert to fraction form
    7,307.07/10,083.69 = 4,479.36/x
  3. Step 3: Cross multiply
    7,307.07x = 10,083.69 × 4,479.36
  4. Step 4: Simplify right side
    7,307.07x = 45,168,477.64
  5. Step 5: Solve for x
    x = 45,168,477.64/7,307.07
  6. Step 6: Final answer
    x = 6,181.48

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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.