Home / 4,650.51-6,415.32-2,970.15

Finding the Fourth Proportional to 4,650.51, 6,415.32 and 2,970.15

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Solution

The fourth proportional to 4,650.51, 6,415.32 and 2,970.15 is: 4,097.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.51 : 6,415.32 = 2,970.15 : x
  2. Step 2: Convert to fraction form
    4,650.51/6,415.32 = 2,970.15/x
  3. Step 3: Cross multiply
    4,650.51x = 6,415.32 × 2,970.15
  4. Step 4: Simplify right side
    4,650.51x = 19,054,462.70
  5. Step 5: Solve for x
    x = 19,054,462.70/4,650.51
  6. Step 6: Final answer
    x = 4,097.28

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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.